WO2009128628A2

WO2009128628A2 - Cutting apparatus capable of adjusting cut-off portion

Info

Publication number: WO2009128628A2
Application number: PCT/KR2009/001874
Authority: WO
Inventors: 유병호
Original assignee: 유혜경
Priority date: 2008-04-15
Filing date: 2009-04-13
Publication date: 2009-10-22
Also published as: KR200443078Y1; EP2281652A4; CN102006962A; WO2009128628A3; US20110030527A1; RU2010146116A; JP2011518050A; EP2281652A2

Abstract

The present invention relates to a cutting apparatus capable of adjusting a cut-off portion, comprising: a cutting unit which cuts a workpiece with a cutter; a clamp unit which pressurizes and clamps the workpience for the cutting unit to cut the workpiece; a moving unit which is mounted on the cutting unit and enables horizontal movement of the cutting unit in the longitudinal direction of the workpiece in order to cut one end of the clamped workpiece and then to cut one or more other ends thereof; a movement-control unit which controls the movement of the cutting unit in relation to the moving unit so that the workpiece is held by the movement unit and the cutting unit is horizontally moved between the one end and the other ends of the workpiece by the movement unit, and at the one end and the other ends of the workpiece, it cuts off the workpiece, stopping on the moving unit.

Description

Cutting device with adjustable cutting position

The present invention relates to a cutting device capable of adjusting the cutting position, and relates to a cutting device capable of cutting the workpiece at a plurality of cutting sites through horizontal movement and rotational movement while the workpiece is fixed.

Currently, various types of cutters are known. Among them, a cutter, which is widely known as a band saw, is designed to cut a workpiece by manually moving a cutter in the form of a band saw blade rotating in one direction toward the workpiece.

Such cutters are widely used because they can precisely cut a workpiece, move easily, and cut easily.

Such a cutter has a table on which a workpiece can be placed, and has a clamp to fix the workpiece placed on the table, thereby moving the cutter rotated by the motor in the direction of the workpiece while the workpiece is fixed by the clamp to perform the cutting operation. Is done.

However, the cutter according to the prior art had the following problems.

That is, in the conventional cutting machine, the position of the cutter cannot be moved in the horizontal direction, so if the portion to be cut and the band saw blade surface of the cutter do not coincide with each other, or if another portion of the workpiece is to be cut again, the position of the workpiece is changed. I needed to work. Therefore, there is a problem that the fatigue of the operator is increased according to the work of matching the cutting portion of the workpiece and the band saw blade of the cutter and the work of moving the workpiece again, and the work efficiency is deteriorated.

In addition, in the conventional cutter, in order to cut the workpiece inclined, the workpiece was fixed to the clamp inclined and then cut by the cutter. By the way, since the clamp is fixed to the workpiece by pressing on both sides of the workpiece or by pressing the circumference of the workpiece in a chain method, it was not easy to fix the workpiece inclined. Therefore, since the work is cut in a state where the work is not completely fixed, there is a problem in that the precise work is difficult because the position of the work is easily changed during the operation of the cutter.

Therefore, the present invention has been made to solve the above-mentioned conventional problems, the object of the present invention is to enable the horizontal movement and rotational movement of the cutter is possible to adjust the cutting position easy to modify and change the cutting position of the workpiece To provide a cutting device.

According to a feature of the present invention for achieving the above object, the first invention relates to a cutting device capable of adjusting the cutting position, the cutter for cutting the workpiece by the operation of the cutter; A clamp mechanism for pressing and fixing the work piece so that the cutter can cut the work piece; A movement mounted on the cutter to enable horizontal movement of the cutter along the longitudinal direction of the workpiece such that the cutter cuts one end of the workpiece and then cuts one or more other ends of the workpiece fixed to the clamp mechanism. Instrument; And the cutter so that the cutter moves horizontally between the one end and the other end of the workpiece by the moving mechanism and cuts the workpiece with the cutter fixed on the moving mechanism at the one end and the other end. It characterized in that it comprises a movement control unit for controlling the movement of the cutter.

Here, the moving mechanism may be designed to be mounted on any one of the side, bottom or top of the cutter.

According to a second aspect of the present invention, the moving mechanism includes a drive car mounted on a bottom surface of the cutter, a guide bar for guiding movement of the drive car, and a support part supporting both ends of the guide bar, respectively. A cutter having a band saw blade for cutting the workpiece, a motor for driving the cutter, a body portion on which the cutter and the motor are mounted, a base portion mounted on the driving vehicle to support the body portion, and the workpiece A handle portion for selectively moving the body portion relative to the workpiece so that the cutter can be cut by the cutter, and an operation switch and the motor provided at the handle portion to control the movement of the body portion to the cutting position with respect to the workpiece. It characterized in that it comprises a power switch provided in the body portion for driving.

According to a third aspect of the present invention, the cutter further includes a rotation driving portion mounted between the body portion and the base portion to rotate the body portion left and right.

According to the cutting device capable of adjusting the cutting position according to the present invention, the horizontal movement and the rotational movement of the cutter is possible to easily modify and change the cutting position of the workpiece, thereby matching the cutting edge of the workpiece with the band saw blade surface of the cutter This can be made conveniently, even if you want to cut another part of the workpiece again can be worked quickly by horizontally moving and rotating the cutter, there is an effect that the operator's fatigue is reduced and the work efficiency is improved.

In particular, even when cutting the workpiece obliquely, after fixing the workpiece normally in the clamp, there is an advantage that the cutting position of the workpiece can be precisely cut by rotating the cutter and horizontally moving to fit the intended inclination.

1 is a perspective view showing the configuration of a cutting device capable of adjusting the cutting position in the present invention,

Figure 2 is a perspective view showing a state of cutting one end of the workpiece with a cutting device according to the present invention,

Figure 3 is a perspective view showing a horizontal movement state of the cutting device according to the present invention,

Figure 4 is a perspective view showing a state of cutting the other end of the workpiece with a cutting device according to the present invention.

Hereinafter, with reference to the accompanying drawings, a cutting device capable of adjusting the cutting position according to the present invention will be described.

1 is a perspective view showing the configuration of a cutting device capable of adjusting the cutting position in the present invention.

As shown, the cutting device according to the present invention includes a cutter 10, a clamp mechanism 20, a moving mechanism 30 and a movement control unit. The cutter 10 includes a cutter 11, a motor 12, a body 13, a base 14, a handle 15, an operation switch 16, a power switch 17, and a rotation driving unit. (18).

The cutter 11 is for cutting the work 50, it is made in the form of a band saw blade. The cutter 11 is driven by the motor 12 to rotate in one direction to cut the workpiece 50.

The motor 12 is driven according to the supply of power to drive the cutter 11. At this time, supply and interruption of the power to the motor 12 is made by the power switch 17.

The cutter 11 and the motor 12 are installed in the body portion 13. That is, the body portion 13, as shown, is made of a U-shape to insert the workpiece 50 in the center portion, the cutter 11 is exposed from one end to the other end of the central portion is installed. And one side of the body portion 13 is provided with a motor 12 for driving the cutter (11).

The body portion 13 is supported by the base portion 14. At this time, since the rotation driving unit 18 is installed between the body 13 and the base 14, the rotation driving unit 18 and the body 13 is installed on the base 14 in order. will be.

At the bottom of the base portion 14, a drive car 31 of the moving mechanism 30 is provided. And the base 14 may be provided with a protractor (not shown) for measuring the left and right rotation angle of the cutter 10.

The handle portion 15 serves to move the body portion 13 relative to the work piece 50 so that the work piece 50 can be cut by the cutter 11. That is, the handle portion 15 is configured to hold the handle portion 15 so as to tilt the body portion 13 toward the work piece 50 or move it in the opposite direction to the work piece 50 ( 2).

At this time, the handle portion 15, the operation switch 16 is provided, when the handle 15 is gripped the operation switch 16 is pressed to the body portion 13 relative to the base portion 14 It becomes movable. That is, when the operation switch 16 is not pressed, the body portion 13 is fixed to the base portion 14, and when the operation switch 16 is pressed, the body portion 13 is It becomes a movable state with respect to the base part 14.

Alternatively, when the motor 12 and the cutter 11 are rotated toward the work piece 50 by removing the force that moves the handle part 15 by moving the handle part 15, the motor 12 and An elastic body may be further provided to allow the cutter 11 to return to its original position.

In this case, the operation switch 16 and the elastic body may be provided together with the cutter, but if any one is provided, the other configuration may be omitted.

On the other hand, the power switch 17 is provided on one side of the body portion 13 is configured to be turned on (ON) / off (OFF), by the operation of the power switch 17 the motor 12 Is activated to start the cutter 11.

In addition, the cutter 10 is provided with a rotary drive unit 18 for rotating the body portion 13 left and right so that the angle of the cutter 11 and the workpiece 50 can be adjusted. Since the rotation driving unit 18 moves the body portion 13 while being supported by the base portion 14, it is located between the base portion 14 and the body portion 13.

As such, the method of allowing the body 13 to be selectively rotated about the rotation driving unit 18 may be implemented by applying various types of known technologies for selectively controlling the rotation of the body. Therefore, the detailed description of the configuration and driving method of the rotary drive unit 18 will be omitted.

On the other hand, the clamp mechanism 20 is provided in front of the body portion 13 of the cutter 10, the clamp 23 for pressing and fixing the work piece 50 mounted on the table 21 and the table 21, It consists of. The clamp mechanism 20 is installed in the direction perpendicular to the moving mechanism 30, and the workpiece 50 fixed to the clamp 23 and the cutter 11 of the cutter 10 basically maintain the right angle. Is arranged to.

The moving mechanism 30, which allows the cutter 10 to be moved in the horizontal direction, may be implemented in various configurations. For example, a ball bushing method, a ball screw method, a linear guide method, an LM guide method, a hydraulic method, or the like can be used as the moving mechanism 30 of the present invention.

In this embodiment, a case in which the ball bushing is implemented is described as an example. That is, the moving mechanism 30 in this embodiment is comprised by the drive car 31, the guide bar 33, and the support part 35. As shown in FIG. The driving vehicle 31 is mounted on the bottom surface of the base portion 14 of the cutter 10, and a through hole 31a through which the guide bar 33 penetrates is formed therein. A ball bush is installed on the inner surface of the through hole 31a of the driving vehicle 31 so that the slide movement of the driving vehicle 31 with respect to the guide bar 33 is smoothly performed.

The guide bar 33 is inserted into each through hole 31a of the driving vehicle 31 to guide the movement of the driving vehicle 31, and is generally formed in a rod shape as shown.

Supports 35 are mounted at both ends of the guide bar 33. The support part 35 supports each end of the pair of guide bars 33 to help fix the gap between the guide bars 33 when the cutter 10 moves.

In this case, the support part 35 may not be provided only at each end of the guide bar 33, but may have a square shape to surround the guide bar 33. At this time, the clamp mechanism 20 is mounted on one side of the support part 35.

In addition, the support part 35 disposed in parallel with the guide bar 33 is provided with a distance scale 37 for determining the horizontal moving distance of the cutter 10.

Meanwhile, the movement control unit controls the horizontal movement of the cutter 10 with respect to the movement mechanism 30, and may be provided in various configurations. For example, the wire is pulled by the operation of the lever can be implemented in such a way that the contact plate is in close contact with the cutter 10 and the moving mechanism 30 to control the movement.

In this embodiment, it is illustrated that the handle bolt 40 is used as the movement control unit. The handle bolt 40 is screwed to a fastening hole formed through the base portion 14, and when the handle bolt 40 is rotated clockwise, the tip of the handle bolt 40 is supported by the support part 35. By pressing the horizontal movement of the cutter 10 is limited. On the contrary, when the handle bolt 40 is rotated counterclockwise, the pressing of the handle bolt 40 against the support 35 is released, so that the cutter 10 is freely horizontally along the moving mechanism 30. It is possible to move.

Next, the operation of the cutting device capable of adjusting the cutting position according to the present invention will be described.

Figure 2 is a perspective view showing a state of cutting one end of the workpiece with a cutting device according to the invention, Figure 3 is a perspective view showing a horizontal movement state of the cutting device according to the invention, Figure 4 is a cut according to the invention It is a perspective view which shows the state which cut | disconnects the other end of a workpiece | work with an apparatus.

As shown in FIG. 2, in order to cut the workpiece 50 with the cutting device according to the present invention, the workpiece 50 is first fixed to the clamp of the clamp mechanism 20. The workpiece 50 fixed to the clamp may be marked with a position to be cut.

In order to cut the workpiece 50 with the cutter 10, the cutter 11 in the form of a band saw blade is operated by driving the motor 12 by pressing the power switch 17.

Then, when the handle portion 15 is gripped to move the cutter 11 of the cutter 10 toward the work piece 50, the operation switch 16 provided in the handle portion 15 is simultaneously pressed to the cutter ( 10) is freely movable. At this time, as shown in Figure 2, the cutter 10 is inclined toward the work piece 50 to cut one end of the work piece 50.

In the present invention, since the elastic body may be provided, the cutter 10 is naturally returned to the original position when the handle 15 is released after the cutting of the workpiece 50 through the cutter 10 operated as described above. can do.

When the workpiece 50 is cut in this manner and then another portion of the workpiece 50 is to be cut again, as shown in FIG. 3, the position of the cutter 10 is horizontally moved through the moving mechanism 30. . At this time, since the cutter 10 is fixed to the moving mechanism 30 through the moving control unit, the moving control unit operates so as not to limit the movement of the cutting machine 10. That is, in the present invention, since the movement adjusting portion is composed of a handle bolt 40, as shown in Figure 3, by rotating the handle bolt 40 counterclockwise, the handle bolt 40 is the movement adjusting portion The state in which the support part 35 is pressed is released.

When the pressing state of the handle bolt 40 is released as described above, the cutter 10 may freely move horizontally with respect to the moving mechanism 30. Therefore, the cutter 10 slides along the guide bar 33 to the position for cutting the work piece 50 again.

When the movement of the cutter 10 is completed, as shown in FIG. 4, the handle bolt 40 is rotated clockwise again to allow the handle bolt 40 to press the support part 35 to thereby cut the cutter. The cutter 10 is not slide-driven along the moving mechanism 30 while the 10 is being driven.

Then, the cutter 10 is inclined toward the work piece 50 to cut the other end of the work piece 50 with the cutter 11.

While repeating the above process, the workpiece 50 may be cut by adjusting the position of the cutter 10 to a portion to be cut from the workpiece 50.

In this process, the horizontal movement distance of the cutter 10 can be confirmed through a scale displayed on the distance scale 37 provided in the support part 35. Therefore, by checking the scale of the distance scale 37, it is possible to accurately move the cutter 10 to the cutting position of the workpiece 50.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

Claims

A cutter for cutting the workpiece by the operation of the cutter;

A clamp mechanism for pressing and fixing the work piece so that the cutter can cut the work piece;

A movement mounted on the cutter to enable horizontal movement of the cutter along the longitudinal direction of the workpiece such that the cutter cuts one end of the workpiece and then cuts one or more other ends of the workpiece fixed to the clamp mechanism. Instrument; And

The cutter relative to the moving mechanism such that the cutter is horizontally moved by the moving mechanism between one end and the other end of the workpiece and the cutter is cut at a position fixed on the moving mechanism at the one end and the other end. Cutting device capable of adjusting the cutting position, characterized in that it comprises a movement control unit for controlling the movement of the cutter.
The method of claim 1,

The moving mechanism includes a drive car mounted on the bottom surface of the cutter, a guide bar for guiding the movement of the drive car, and a support part supporting both ends of the guide bar,

The cutter includes a band saw blade type cutter for cutting the workpiece, a motor for driving the cutter, a body portion on which the cutter and the motor are mounted, a base portion mounted on the driving vehicle and supporting the body portion; A handle portion for selectively moving the body portion relative to the workpiece so that the workpiece can be cut by the cutter, an operation switch provided on the handle portion to control movement of the body portion to a cutting position with respect to the workpiece; Cutting device capable of adjusting the cutting position, characterized in that it comprises a power switch provided in the body portion for driving the motor.
The method of claim 2,

The cutting device is a cutting device capable of adjusting the cutting position further comprises a rotary drive unit mounted between the body portion and the base portion so as to rotate the body portion left and right.